check-python-code: Show line number for problems
check-python-code: Show line number for problems

Signed-off-by: Michael Hanselmann <68b67885ff74281219b4a4be33cc20fd45078d7c@google.com>
Reviewed-by: Olivier Tharan <0947fcc917eb1d3c89ad818beb61e3b2c3cf3bba@google.com>

mbakke/ganeti,andir/ganeti,dimara/ganeti,onponomarev/ganeti,ganeti/ganeti,ganeti/ganeti,ganeti-github-testing/ganeti-test-1,yiannist/ganeti,mbakke/ganeti,onponomarev/ganeti,ganeti-github-testing/ganeti-test-1,dimara/ganeti,andir/ganeti,mbakke/ganeti,andir/ganeti,apyrgio/snf-ganeti,leshchevds/ganeti,apyrgio/snf-ganeti,apyrgio/ganeti,leshchevds/ganeti,grnet/snf-ganeti,bitemyapp/ganeti,yiannist/ganeti,apyrgio/ganeti,yiannist/ganeti,bitemyapp/ganeti,leshchevds/ganeti,grnet/snf-ganeti,ganeti/ganeti